./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:20:15,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:20:15,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:20:15,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:20:15,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:20:15,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:20:15,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:20:15,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:20:15,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:20:15,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:20:15,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:20:15,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:20:15,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:20:15,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:20:15,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:20:15,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:20:15,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:20:15,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:20:15,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:20:15,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:20:15,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:20:15,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:20:15,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:20:15,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:20:15,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:20:15,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:20:15,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:20:15,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:20:15,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:20:15,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:20:15,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:20:15,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:20:15,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:20:15,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:20:15,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:20:15,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:20:15,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:20:15,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:20:15,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:20:15,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:20:15,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:20:15,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 08:20:15,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:20:15,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:20:15,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:20:15,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:20:15,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:20:15,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:20:15,797 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:20:15,797 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:20:15,797 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:20:15,798 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:20:15,798 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:20:15,798 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:20:15,798 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:20:15,798 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:20:15,799 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:20:15,799 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:20:15,799 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:20:15,799 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:20:15,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:20:15,800 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:20:15,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:20:15,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:20:15,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:20:15,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:20:15,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:20:15,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:20:15,801 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:20:15,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:20:15,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:20:15,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:20:15,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:20:15,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:20:15,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:20:15,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:20:15,803 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:20:15,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:20:15,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:20:15,803 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:20:15,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:20:15,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:20:15,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:20:15,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a91542c733a27a18dff97acca49ae580b7929842603ed8a2c1cdbb309e164d67 [2022-12-14 08:20:15,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:20:15,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:20:15,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:20:15,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:20:15,993 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:20:15,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-12-14 08:20:18,555 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:20:18,711 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:20:18,712 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i [2022-12-14 08:20:18,720 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/data/5f6d60a33/39acaab0a5fc4ad6a76be66d7b04a5cd/FLAG3172cc816 [2022-12-14 08:20:18,730 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/data/5f6d60a33/39acaab0a5fc4ad6a76be66d7b04a5cd [2022-12-14 08:20:18,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:20:18,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:20:18,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:20:18,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:20:18,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:20:18,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:20:18" (1/1) ... [2022-12-14 08:20:18,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df19d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:18, skipping insertion in model container [2022-12-14 08:20:18,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:20:18" (1/1) ... [2022-12-14 08:20:18,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:20:18,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:20:18,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-12-14 08:20:19,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:20:19,018 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:20:19,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_pos.i[1097,1110] [2022-12-14 08:20:19,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:20:19,067 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:20:19,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19 WrapperNode [2022-12-14 08:20:19,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:20:19,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:20:19,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:20:19,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:20:19,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,096 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-14 08:20:19,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:20:19,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:20:19,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:20:19,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:20:19,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:20:19,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:20:19,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:20:19,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:20:19,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (1/1) ... [2022-12-14 08:20:19,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:20:19,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:20:19,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:20:19,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:20:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:20:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:20:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 08:20:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:20:19,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:20:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 08:20:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 08:20:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:20:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:20:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:20:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:20:19,175 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:20:19,279 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:20:19,281 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:20:19,392 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:20:19,398 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:20:19,399 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:20:19,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:20:19 BoogieIcfgContainer [2022-12-14 08:20:19,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:20:19,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:20:19,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:20:19,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:20:19,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:20:18" (1/3) ... [2022-12-14 08:20:19,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7987ef98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:20:19, skipping insertion in model container [2022-12-14 08:20:19,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:20:19" (2/3) ... [2022-12-14 08:20:19,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7987ef98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:20:19, skipping insertion in model container [2022-12-14 08:20:19,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:20:19" (3/3) ... [2022-12-14 08:20:19,409 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_pos.i [2022-12-14 08:20:19,418 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:20:19,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:20:19,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:20:19,429 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:20:19,480 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 08:20:19,511 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:20:19,526 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 64 transitions, 136 flow [2022-12-14 08:20:19,529 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 64 transitions, 136 flow [2022-12-14 08:20:19,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2022-12-14 08:20:19,567 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-12-14 08:20:19,568 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 08:20:19,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 2/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-12-14 08:20:19,573 INFO L119 LiptonReduction]: Number of co-enabled transitions 288 [2022-12-14 08:20:21,321 INFO L134 LiptonReduction]: Checked pairs total: 402 [2022-12-14 08:20:21,321 INFO L136 LiptonReduction]: Total number of compositions: 63 [2022-12-14 08:20:21,329 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14 places, 10 transitions, 28 flow [2022-12-14 08:20:21,338 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:20:21,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:20:21,357 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@60abf511, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:20:21,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 08:20:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:20:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 08:20:21,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:20:21,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 08:20:21,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:20:21,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:20:21,367 INFO L85 PathProgramCache]: Analyzing trace with hash 251264, now seen corresponding path program 1 times [2022-12-14 08:20:21,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:20:21,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167524479] [2022-12-14 08:20:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:20:21,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:20:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:20:21,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:20:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:20:21,501 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:20:21,502 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:20:21,503 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-14 08:20:21,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-14 08:20:21,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-14 08:20:21,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:20:21,507 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 08:20:21,511 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 08:20:21,511 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:20:21,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:20:21 BasicIcfg [2022-12-14 08:20:21,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:20:21,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:20:21,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:20:21,522 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:20:21,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:20:19" (3/4) ... [2022-12-14 08:20:21,523 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 08:20:21,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:20:21,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:20:21,546 INFO L158 Benchmark]: Toolchain (without parser) took 2812.68ms. Allocated memory is still 153.1MB. Free memory was 110.3MB in the beginning and 114.7MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:20:21,547 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 82.3MB in the end (delta: 177.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:20:21,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.31ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 91.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 08:20:21,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.32ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:20:21,548 INFO L158 Benchmark]: Boogie Preprocessor took 16.13ms. Allocated memory is still 153.1MB. Free memory was 89.3MB in the beginning and 87.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:20:21,548 INFO L158 Benchmark]: RCFGBuilder took 287.27ms. Allocated memory is still 153.1MB. Free memory was 87.9MB in the beginning and 75.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 08:20:21,549 INFO L158 Benchmark]: TraceAbstraction took 2117.89ms. Allocated memory is still 153.1MB. Free memory was 75.3MB in the beginning and 115.8MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:20:21,549 INFO L158 Benchmark]: Witness Printer took 23.78ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 114.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:20:21,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 82.3MB in the end (delta: 177.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.31ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 91.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.32ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 89.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.13ms. Allocated memory is still 153.1MB. Free memory was 89.3MB in the beginning and 87.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.27ms. Allocated memory is still 153.1MB. Free memory was 87.9MB in the beginning and 75.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2117.89ms. Allocated memory is still 153.1MB. Free memory was 75.3MB in the beginning and 115.8MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 23.78ms. Allocated memory is still 153.1MB. Free memory was 115.8MB in the beginning and 114.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 66 PlacesBefore, 14 PlacesAfterwards, 64 TransitionsBefore, 10 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 63 TotalNumberOfCompositions, 402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 329, independent: 299, independent conditional: 0, independent unconditional: 299, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, independent: 226, independent conditional: 0, independent unconditional: 226, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, independent: 219, independent conditional: 0, independent unconditional: 219, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 329, independent: 73, independent conditional: 0, independent unconditional: 73, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L697] 0 pthread_t id; [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); [L687] COND TRUE 1 t == 42 [L688] 1 glob1 = 1 [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 0) [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 08:20:21,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b80a32-835a-495c-a59b-96cb307b82ad/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE